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4.8★★★★★2,200+ reviewsClosed · opens Monday 8am
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4.8★★★★★2,200+ reviewsClosed · opens Monday 8am
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Porsche GT3 991 tuning on dyno

Gearbox Tuning

Gearbox tuning modules for faster, firmer shifts.

  • 6,572 parts listed
  • Tracked UK delivery, or collect from Maidstone
  • 4.8 from 2,200+ reviews

6,572 parts

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 180d - 116HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 200 (1.3T) - 163HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 200d - 150HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 220 (2.0T) - 190HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 220d - 190HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 250 (2.0T)- 224HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 250e - 215HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 35 AMG - 306HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 45 AMG - 387HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLA C118 (2019 -) 45 AMG S - 421HP

Original price was: £825.00.Current price is: £742.50.£618.75 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLC 2008 - 2011 180K - 143HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLC 2008 - 2011 200 CDI - 122HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLC 2008 - 2011 200K - 184HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLC 2008 - 2011 220 CDI - 136HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLC 2008 - 2011 220 CDI - 150HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 200 K - 163HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 200 K - 184HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 220 CDI - 136HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 220 CDI - 150HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 270 CDI - 163HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 270 CDI - 170HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 320 CDI - 211HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 320 CDI - 224HP

Original price was: £350.00.Current price is: £315.00.£262.50 ex VAT Add to basket

Auto Gearbox Tuner

Fits Mercedes CLK W209 (2002 - 2009) 55 AMG - 367HP

Original price was: £415.00.Current price is: £373.50.£311.25 ex VAT Add to basket
Fitted in Maidstone

Want it fitted?

Buy the part and we can fit it in our workshop. Ask for a fitted price on any product page and we'll quote the whole job, parts and labour.

Call 01622 321500 Meet the team →

John Ford beside a Porsche 911 GT3 on the JF Automotive rolling road A JF Automotive technician reading and writing an ECU file at the workshop in Maidstone, Kent
Reviews

What customers say

What JF Automotive achieved with my Mercedes GLA is amazing!! It feels like a totally different car altogether,would highly recommend.we had a gearbox upgrade,remap and put on they’re rolling road.plus to top it off we have better fuel economy
Richard Taylor Mercedes
I took my 2015 Audi RS3 to JF Automotive for stage 1 remap and a gearbox remap. I was made to feel welcome answered any questions I had to ask. Waiting room was comfortable with Tea and Coffee. Eoghan took his time and tuned with the remap on gearbox and ECU with decent results going…
Steve Ryan Audi
Seat ateca in for dsg service great service and work as always
Carl groom SEAT

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The JF Automotive team
Meet the team

The team behind every job

Technicians, calibrators and the front desk, all in Maidstone. No call centre and no subcontracting - the person who books you in is the person you can ask about the job.

Newsletter

Offers on parts and tuning, first

A short email now and then: new vehicle support, parts deals, open days. Nothing daily.